MIL-T-62518 Trucks, Maintenance: With 9 To 37 Meters 30 To 120 Foot Multi-Position Aerial Platform, Modified CommercialThis specification covers diesel and gasoline engine driven, four-wheel, two-rear-wheel drive; four-wheel, four-wheel drive; and six-wheel, four-wheel-drive trucks having minimum gross vehicle weights GVW of 6800 kilograms kg 15,000 to 22 700 kg 50,000 pounds, equipped with maintenance bodies and 9 to 37 meters m 30 to 120 foot multi-position, articulating, boom type aerial platforms. Vehicles procured under this specification are commercial items which are warranted by the manufacturer as specified in acquisition documents.

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MIL-T-62518A

3.1.1.4 Drain plugs. All drain plugs installed in manual transmissions, transfer case and rear axles shall be of the permanent magnet type.

* 3.1.1.5 Towing devices. Not less than two hooks, loops, or pins, or a single, center mounted towing eye, for towing the vehicle, shall be furnished on the front of the vehicle. All towing devices shall be frame rail mounted or reinforced back to each frame rail.

* 3.1.1.6 Trailer towing package. When specified (see 6.2), a trailer towing package consisting of a pintle, safety chain attachment devices, a lighting receptacle and associated reinforcements and wiring shall be installed on the rear of the vehicle. The pintle shall be of the rotating type conforming to MS 51118-1. The pintle shall be installed on the chassis frame with reinforcements to transfer a vertical tongue load of not less than 1815 kg (4,000 pounds) and a longitudinal drawbar load of not less than 178 kilonewtons (kN) (40,000 pounds) directly to the chassis rails. The rearmost portion of the pintle shall be forward but not more than four inches forward of the rearmost part of the vehicle. Two trailer safety chain attachment devices, one adjacent to each side of the pintle, shall be provided. Each attachment device shall provide an ultimate strength of not less than 8150 kg (18,000 pounds). The attachment devices shall be capable of accommodating a standard grab hook [(116 mm (4-9/16 inches) wide, 30 mm

(1-3/16 inches) thick, 19.8 mm (25/32-inch) throat width)] for a 16 mm (5/8-inch) chain. The lighting receptacle, conforming to SAE J560 with its conductors connected and color coded as specified therein, shall be mounted in a readily accessible location near the pintle.

3.1.1.7 Trailer lighting cable. A coiled electrical trailer cable conforming to SAE J1067 shall be furnished. The cable shall be not less than 2800 mm (110 inches) long when fully extended. Both ends of the cable shall be equipped with a seven-circuit round plug conforming to SAE J560. The plugs shall be equipped with a grip for withdrawing from the connector sockets. The cable shall be packaged and stowed in the vehicle tool compartment.

3.1.1.8 Electric trailer brake controller. When specified (see 6.2), the vehicle shall be provided with an electric trailer brake controller. The controller shall be installed in the truck cab and wired through the SAE J560 receptacle. The controller shall operate on the 12-volt electrical system of the truck and shall include load control, hand lever and accessories.

* 3.1.1.9 Rear wheel splash and stone throw protection. Mud flaps shall be installed to the rear of the rear wheels. A metal strip, not less than 3.2 millimeters (mm) (0.125 inch) thick and not less than 25 mm (one inch) wide, extending the entire width of the mud flap, shall be installed to prevent bolt heads or bolt nuts from damaging the mud flap. As an alternate method of attaching the mud flaps, tabs or clips with minimum surface contact dimensions of 25 mm

(1 inch) high by 32 mm (1.25 inch) wide by 2.4 mm (0.094 inch) thick shall be furnished at each bolt. Rear wheels shall be provided with splash and atone throw protection in accordance with SAE J682.